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  • OPA227: OPA227 constant current source driver circuit

    TI Thinks Resolved
    Part Number: OPA227 Hi TI expert The attachment is the constant current source driver circuit for the OPA227. R4 is the load and is at high side. Now, due to a specific requirement, R4 needs to be connected to ground(low side). How should this constant…

  • OPA227: The absolute maximum ratings of the OPA227

    TI Thinks Resolved
    Part Number: OPA227 Other Parts Discussed in Thread: OPA228 Hi, team! Regarding the absolute maximum ratings of the OPA227, the datasheet only lists the values for the power pins and input pins. Have the absolute maximum ratings for the other pins…

  • OPA227: OPA227: What kind of conditions are required to achieve the lowest THD+N? I need to measure it down to 0.00005%.

    TI Thinks Resolved
    Part Number: OPA227 Hello, Sir. Due to various reasons, I haven’t been able to reply to you until now. I am resending my configuration and wiring diagram for your reference. There is one point worth noting: in the PDF you sent me, there is a 40dB compensation…
    • Answered

  • OPA227: Constant current source application with opa227

    Resolved
    Part Number: OPA227 Tool/software: Hi TI expert I am now ready to use opa227 in a constant current source application. The annex is a constant current source circuit and loop stability simulation , the load is connected to GND , the sampling resistor…
    • Resolved
    • Answered

  • OPA227: About Vos.

    Resolved
    Part Number: OPA227 Hi Expert, Have a nice day! I have question need your professional support: For OPA227, it’s Vos is about 10uV: So, If I connect V+ and V- to ground as this schematic, then the Vout should be 100*Vos=1mV. Is the equation…
    • Resolved

  • OPA227: OPA227 output has negative（positive） bias, when using a capacitive voltage sensor

    TI Thinks Resolved
    Part Number: OPA227 Other Parts Discussed in Thread: OPA191 , OPA277 Tool/software: 1. The principle of capacitive voltage sensor is shown in the picture: 2. The schematic diagram of the design, as shown in the picture: (The schematic only leaves a…

  • LMH6321: Output Swing Limitation on LMH6321/OPA227 in 5V Single-Supply 1PPS Application

    TI Thinks Resolved
    Part Number: LMH6321 Other Parts Discussed in Thread: OPA227 , Hi Team, Posting on behalf of our customer. I will share this E2E post to our customer so he can reply when needed. I am using the OPA227 and LMH6321 in a 1PPS (Pulse Per Second) buffer…

  • OPA227: What kind of conditions are required to achieve the lowest THD+N? I need to measure it down to 0.00005%.

    TI Thinks Resolved
    Part Number: OPA227 Other Parts Discussed in Thread: OPA277 I need to understand how the THD+N of your OPA227 operational amplifier is tested (as described on page 10 of the datasheet). Our test results differ from the specifications listed in the datasheet;…

  • OPA227: I only want to delete my account.

    TI Thinks Resolved
    Part Number: OPA227 Tool/software: How can I delete my account. Thank you for your time.
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  • OPA227: regarding to the linearity

    Resolved
    Part Number: OPA227 Other Parts Discussed in Thread: OPA210 , OPA197 , OPA192 Hello team, I have a question about regarding thread above. Could you suggest a device similar to the OPA227 with improved linearity on the negative side? Regards, …
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